The observer sat at the nose and was armed with a machine-gun.

So observers of this holiday will go out to lunch and sit singly at their tables.

The pilot and observer sit up-front with eye contact with the ground.

The pilot and observer sat in tandem under a long canopy atop the fuselage.

In this configuration the observer sat alongside the pilot.

Each observer sat or stood entranced, holding exactly the pose he had been in at the instant of opening his face- plate.